Should I check the MOT history before buying a 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Do I need an HPI check when buying a 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Mercedes Benz Eqc 400 Amg Line Premium + 4m (2021)

Q: Is the 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m reliable?

Based on MOT data from 1,467 vehicles, the 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m has a first-time MOT pass rate of 88%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

1,467 real MOT outcomes analysed • 88% first-time pass rate

2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m

CarHunch analysed 1,467 real MOT records for the 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Mileage Distribution MOT Averages Colour Breakdown Compare Models

The 2021 EQC 400 AMG Line Premium is slightly more reliable than the UK average, with an 84.9% first-time pass rate against the typical 80%, though nearly one in five vehicles has recorded a dangerous defect at some point—worth investigating on any specific example you're considering. At just under 30,000 miles median, these cars are running low mileage for their age, suggesting they're primarily urban or second-car duties. The average vehicle has picked up 0.36 failures and 1.4 advisories across its MOT history, which is modest, but you should budget for potential electrical or software gremlins common to high-spec electric Mercedes. Before purchase, request the full MOT history and have an independent EV specialist inspect the battery management system and charging components.

The 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m passes its MOT first time at roughly the UK average rate (88%) — solid but worth checking this vehicle's history carefully.

⚠️ Around 1 in 8 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

88%

UK average ~80%

Better than average

Dangerous (ever)

19%

At least once in MOT history

Check this vehicle

Avg failures / car

0.36

Over 2.3 tests on record

Low

Typical mileage

30k

Middle half: 22k–40k

For context

✅ Good baseline reliability. A 88% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 1,467 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Average reliability — agree?

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 1,467 Mercedes Benz Eqc 400 Amg Line Premium + 4m cars.

Before you buy a 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m

Based on MOT data from 1,467 vehicles — here's what to check.

📋 Check the full MOT history. 19% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Colour Breakdown

Based on 7,165 Mercedes Benz Eqc 400 Amg Line Premium + 4m vehicles registered in the UK — across all years. From DVLA registration records.

Black 38.2%

2,738

Grey 33.4%

2,392

Blue 16.2%

1,159

White 7.3%

521

Silver 3%

217

Red 1.9%

138

Mileage Distribution

Most 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

29,949

typical

22,395

low mileage

40,010

high mileage

Half of all 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4m vehicles fall between 22,395 and 40,010 miles.

Is the mileage you're seeing normal?

✓ Under 22,395 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 22,395–40,010 miles — normal for age. This is where most 2021 Mercedes Benz Eqc 400 Amg Line Premium + 4ms sit.

⚠ Over 54,013 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

2.3

Avg MOT tests per vehicle

0.36

Avg failures per vehicle

1.4

Avg advisories per vehicle

Other model years — Mercedes Benz Eqc 400 Amg Line Premium + 4m: All Eqc 400 Amg Line Premium + 4m years → Which year to buy? →

2020 2022 2023

Or browse all models: Mercedes Benz →

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Average reliability — agree?